12-letter words containing r, o, m
- backswordman — a person who uses a backsword.
- bagworm moth — any moth of the family Psychidae
- balladmonger — (formerly) a seller of ballads, esp on broadsheets
- banquet room — A banquet room is a room in a hotel where large formal meals for many people can be held.
- barium oxide — a white or yellowish-white poisonous heavy powder used esp as a dehydrating agent. Formula: BaO
- barnstormers — Plural form of barnstormer.
- barnstorming — A barnstorming performance is full of energy and very exciting to watch.
- barodynamics — the branch of mechanics concerned with heavy structures
- barometrical — (archaic) Relating to, or observed with, a barometer, barometric.
- barquisimeto — a city in NW Venezuela. Pop: 1 009 000 (2005 est)
- barrack room — a room inside a military barracks, esp one in which soldiers sleep
- bathochromic — denoting or relating to a shift to a longer wavelength in the absorption spectrum of a compound
- be in embryo — Something that is in embryo is at a very early stage of its development.
- beach-comber — a person who lives by gathering salable articles of jetsam, refuse, etc., from beaches.
- beachcombers — Plural form of beachcomber.
- bedroom eyes — sexy eyes
- behaviourism — Behaviourism is the belief held by some psychologists that the only valid method of studying the psychology of people or animals is to observe how they behave.
- bimorph cell — a piezoelectric transducer consisting of two crystals cemented together, used in microphones, headphones, loudspeakers, etc. to convert vibrations into a voltage output or to convert a signal voltage into vibrations that can produce audible sounds
- bio-organism — a dangerous fast-proliferating organism that could be used as the basis of a biological weapon
- bioastronomy — the branch of biology which deals with the study or the discovery of life forms on other planets or in space
- biochemistry — Biochemistry is the study of the chemical processes that happen in living things.
- biometrician — a person who is knowledgeable about biometry
- biomolecular — relating to a biomolecule
- biorhythmics — the study of biorhythms
- biotelemetry — the monitoring of biological functions in humans or animals by means of a miniature transmitter that sends data to a distant point to be read by electronic instruments
- bioterrorism — Bioterrorism is terrorism that involves the use of biological weapons.
- bird's mouth — a right-angled notch cut in the underside of a rafter for fitting over a longitudinal member, as a wall plate.
- birth mother — the woman who gives birth to a child, regardless of whether she is the genetic mother or subsequently brings up the child
- bitter lemon — a non-alcoholic, fizzy drink with a lemon flavour
- bitter melon — balsam pear.
- blabbermouth — a person who talks too much or indiscreetly
- bladder worm — an encysted saclike larva of the tapeworm. The main types are cysticercus, hydatid, and coenurus
- board member — a member of board of directors
- bog rosemary — any of several species (genus Andromeda) of evergreen shrubs of the heath family, native to cold bogs of North America and Europe, with pink flowers and narrow leaves
- boilermaking — metal-working in heavy industry; plating or welding
- bomb factory — a site or building in which terrorists illicitly and secretly create bombs
- bomb shelter — a shelter, usually underground, in which people take refuge from bomb attacks
- bomber pilot — the pilot of a bomber
- bonus number — (in the National Lottery) a number announced after the normal six numbers which influences the amount of prize money paid
- booking form — a form used to book a holiday, accommodation, etc
- boom-or-bust — boom-and-bust.
- boomer state — Oklahoma
- boomeranging — a bent or curved piece of tough wood used by the Australian Aborigines as a throwing club, one form of which can be thrown so as to return to the thrower.
- booster pump — A booster pump is a pump which is used where pressure is low and needs to be increased.
- bosom friend — an intimate friend
- bottom break — a branch coming from the bottom of a plant stem, usually formed by pinching and disbudding.
- bottom grass — any grass that grows on bottoms or lowlands.
- bottom quark — a type of quark with a mass of c. 4.7 to 5.3 GeV/c2, a negative charge that is 1⁄3 the charge of an electron, zero charm, and zero strangeness
- bottom round — a cut of beef taken from outside the round, which is below the rump and above the upper leg.
- bottom-liner — a person, as an executive, accountant, or stockholder, who puts the net profits of a business ahead of all other considerations.